They didn't have 3D Glasses and the possibility of implanted memory in the last couple of centuries though

So what? The enjoyment of reading a book has nothing to do with that. Reading was never something very many people enjoy anyway. Competing technologies mean more enjoyment possibilities for both kinds of people, the kinds that enjoy and don't enjoy reading. But it has nothing to do with the disappearance of books. What would 3D glasses add to Steinbeck?